The Summer Hikaru Died 8

If you carry on like this, you'll no longer be human...!!
Yoshiki and Hikaru are two boys who grew up together in a certain village.
Hikaru, who has been replaced by "something" - is searching for a way to return from the other world to this side. Hikaru finds a way
to grant Yoshiki's "request",
but...
Meanwhile, worried about Yoshiki as the bruises on his body spread, Kurebayashi suggests that he go and close the next hole himself.
The Summer Hikaru Died 8 - Play-Asia.comIt seems that a certain person has their own plans behind this... T
he end of the volume also includes a newly drawn short story in which
Yoshiki looks back on Hikaru's memories from when he was alive.